20249+3404 A 290 (HD 194540)
20h 24m 55.16s +34° 03' 39.8" P.A. 132.00 sep 0.5 mag 9.13,8.68 Sp A2
Coord 2000 |
20249+3404 |
|
Discov num |
A 290 |
|
Comp |
|
|
Coord arcsec 2000 |
20 24 55.16 +34 03 39.8 |
|
Date first |
1901 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
134 |
|
Pa last |
132.4 |
|
P.A. Now (θ) |
132.4° |
|
Sep first |
0.2 |
|
Sep last |
0.497 |
|
Sep. Now (ρ) |
0.497" |
|
Mag pri |
9.13 |
|
Mag sec |
8.68 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 194540 |
|
Constellation |
Cygnus |
|
SAO |
69984 |
|
Tycho2 |
2693-01271-1 |
|
HD |
194540 |
|